On Kadison-Schwarz Approximation to Positive Maps-Reference-Cited by-同舟云学术

On Kadison-Schwarz Approximation to Positive Maps

Published:2020-09 Issue:03 Volume:27 Page:2050016
ISSN:1230-1612
Container-title:Open Systems & Information Dynamics
language:en
Short-container-title:Open Syst. Inf. Dyn.

Author:

Chruściński Dariusz¹,Mukhamedov Farrukh²,Hajji Mohamed Ali²

Affiliation:

1. Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudzia̧dzka 5/7, 87–100 Toruń, Poland

2. Department of Mathematical Sciences, College of Science, The United Arab Emirates University, P.O. Box, 15551, Al Ain, Abu Dhabi, UAE

Abstract

We analyze Kadison-Schwarz approximation to positive maps in matrix algebras. This is an analogue of the well known structural physical approximation to positive maps used in entanglement theory. We study several known maps both decomposable (like transposition) and non-decomposable (like Choi map and its generalizations).

Publisher

World Scientific Pub Co Pte Lt

Subject

Mathematical Physics,Statistics and Probability,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S123016122050016X

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